Notice of Proposed Sale · 144

AppFolio, Inc.

APPFNASDAQEQUITYCurrent

Notice of Proposed Sale

Filed Nov 4, 2026Accepted Nov 4, 2026, 4:27 PM ESTFiling CIK 1433195Accession 0001950047-26-010689

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Notice of proposed sale. The proposed amounts below do not establish that a sale occurred.

Proposed-sale notice

Issuer: APPFOLIO, INC.
Issuer CIK: 0001433195
SEC file number: 001-37468
Phone: 8053646093
Person for whose account securities are to be sold: Maurice Duca J. Roth IRA
Relationships to issuer: 10% Stockholder
Street: 70 Castilian Drive
City: Santa Barbara
State / country code: CA
Postal code: 93117

Securities proposed for sale

Securities proposed for sale · 1 reported row
Security	Proposed units	Aggregate market value	Units outstanding	Approximate sale date	Exchange	Broker / market maker
Common	2,200	492,228.00	24,126,151	11/04/2026	NASDAQ	Morgan Stanley Smith Barney LLC Executive Financial Services

Broker / market maker — proposed row 1, entry 1

Name: Morgan Stanley Smith Barney LLC Executive Financial Services
Street: 1 New York Plaza
Street (continued): 8th Floor
City: New York
State / country code: NY
Postal code: 10004

Acquisition of securities to be sold

Acquisition of securities to be sold · 1 reported row
Security	Acquired	Nature of acquisition	Acquired from	Amount acquired	Gift transaction	Payment date	Nature of payment
Common	08/12/2009	Direct from Issuer	Issuer	2,200	N	08/12/2009	N/A

Sales reported in the preceding three months

Sales reported in the preceding three months · 36 reported rows
Seller	Security	Sale date	Amount sold	Gross proceeds
10b5-1 Sales for The Maurice J. Duca Family Trust Dated 03/25/1981	Common	08/21/2026	224	49,694.27
10b5-1 Sales for Maurice Duca, Trustee IGSB Money Purchase Plan FBO Suzanne Duca	Common	08/21/2026	2,432	539,537.74
10b5-1 Sales for The Maurice J. Duca Family Trust Dated 03/25/1981	Common	08/20/2026	1,600	348,442.08
10b5-1 Sales for Maurice Duca, Trustee IGSB Money Purchase Plan FBO Suzanne Duca	Common	08/20/2026	5,600	1,219,547.28
10b5-1 Sales for The Maurice J. Duca Family Trust Dated 03/25/1981	Common	08/19/2026	1,600	341,385.92
10b5-1 Sales for Maurice Duca, Trustee IGSB Money Purchase Plan FBO Suzanne Duca	Common	08/19/2026	5,600	1,194,850.72
10b5-1 Sales for MSSB C/FMAURICE J DUCAROTH IRA	Common	08/18/2026	657	133,642.21
10b5-1 Sales for The Maurice J. Duca Family Trust Dated 03/25/1981	Common	08/18/2026	1,600	325,460.48
10b5-1 Sales for Maurice Duca, Trustee IGSB Money Purchase Plan FBO Suzanne Duca	Common	08/18/2026	5,600	1,139,111.68
10b5-1 Sales for MSSB C/FMAURICE J DUCAROTH IRA	Common	08/17/2026	3,500	685,595.40
10b5-1 Sales for The Maurice J. Duca Family Trust Dated 03/25/1981	Common	08/17/2026	1,600	313,415.04
10b5-1 Sales for Maurice Duca, Trustee IGSB Money Purchase Plan FBO Suzanne Duca	Common	08/17/2026	5,600	1,096,952.64
10b5-1 Sales for MSSB C/FMAURICE J DUCAROTH IRA	Common	08/14/2026	3,500	707,443.45
10b5-1 Sales for The Maurice J. Duca Family Trust Dated 03/25/1981	Common	08/14/2026	1,600	323,402.72
10b5-1 Sales for Maurice Duca, Trustee IGSB Money Purchase Plan FBO Suzanne Duca	Common	08/14/2026	5,600	1,131,909.52
10b5-1 Sales for MSSB C/FMAURICE J DUCAROTH IRA	Common	08/13/2026	3,500	695,317.00
10b5-1 Sales for The Maurice J. Duca Family Trust Dated 03/25/1981	Common	08/13/2026	1,600	317,859.20
10b5-1 Sales for Maurice Duca, Trustee IGSB Money Purchase Plan FBO Suzanne Duca	Common	08/13/2026	5,600	1,112,507.20
10b5-1 Sales for MSSB C/FMAURICE J DUCAROTH IRA	Common	08/12/2026	3,500	689,237.15
10b5-1 Sales for The Maurice J. Duca Family Trust Dated 03/25/1981	Common	08/12/2026	1,600	315,079.84
10b5-1 Sales for Maurice Duca, Trustee IGSB Money Purchase Plan FBO Suzanne Duca	Common	08/12/2026	5,600	1,102,779.44
10b5-1 Sales for MSSB C/FMAURICE J DUCAROTH IRA	Common	08/11/2026	3,500	703,432.80
10b5-1 Sales for The Maurice J. Duca Family Trust Dated 03/25/1981	Common	08/11/2026	1,600	321,569.28
10b5-1 Sales for Maurice Duca, Trustee IGSB Money Purchase Plan FBO Suzanne Duca	Common	08/11/2026	5,600	1,125,492.48
10b5-1 Sales for MSSB C/FMAURICE J DUCAROTH IRA	Common	08/10/2026	3,500	694,483.30
10b5-1 Sales for The Maurice J. Duca Family Trust Dated 03/25/1981	Common	08/10/2026	1,600	317,478.08
10b5-1 Sales for Maurice Duca, Trustee IGSB Money Purchase Plan FBO Suzanne Duca	Common	08/10/2026	5,600	1,111,173.28
10b5-1 Sales for MSSB C/FMAURICE J DUCAROTH IRA	Common	08/07/2026	3,500	694,075.90
10b5-1 Sales for The Maurice J. Duca Family Trust Dated 03/25/1981	Common	08/07/2026	1,600	317,291.84
10b5-1 Sales for Maurice Duca, Trustee IGSB Money Purchase Plan FBO Suzanne Duca	Common	08/07/2026	5,600	1,110,521.44
10b5-1 Sales for MSSB C/FMAURICE J DUCAROTH IRA	Common	08/06/2026	3,500	675,676.40
10b5-1 Sales for The Maurice J. Duca Family Trust Dated 03/25/1981	Common	08/06/2026	1,600	308,880.64
10b5-1 Sales for Maurice Duca, Trustee IGSB Money Purchase Plan FBO Suzanne Duca	Common	08/06/2026	5,600	1,081,082.24
10b5-1 Sales for MSSB C/FMAURICE J DUCAROTH IRA	Common	08/05/2026	3,500	681,521.05
10b5-1 Sales for The Maurice J. Duca Family Trust Dated 03/25/1981	Common	08/05/2026	1,600	311,552.48
10b5-1 Sales for Maurice Duca, Trustee IGSB Money Purchase Plan FBO Suzanne Duca	Common	08/05/2026	5,600	1,090,433.68

Seller — prior-sale row 1, entry 1

Name: 10b5-1 Sales for The Maurice J. Duca Family Trust Dated 03/25/1981
Street: 70 Castilian Drive
City: Santa Barbara
State / country code: CA
Postal code: 93117

Seller — prior-sale row 2, entry 1

Name: 10b5-1 Sales for Maurice Duca, Trustee IGSB Money Purchase Plan FBO Suzanne Duca
Street: 70 Castilian Drive
City: Santa Barbara
State / country code: CA
Postal code: 93117

Seller — prior-sale row 3, entry 1

Name: 10b5-1 Sales for The Maurice J. Duca Family Trust Dated 03/25/1981
Street: 70 Castilian Drive
City: Santa Barbara
State / country code: CA
Postal code: 93117

Seller — prior-sale row 4, entry 1

Name: 10b5-1 Sales for Maurice Duca, Trustee IGSB Money Purchase Plan FBO Suzanne Duca
Street: 70 Castilian Drive
City: Santa Barbara
State / country code: CA
Postal code: 93117

Seller — prior-sale row 5, entry 1

Name: 10b5-1 Sales for The Maurice J. Duca Family Trust Dated 03/25/1981
Street: 70 Castilian Drive
City: Santa Barbara
State / country code: CA
Postal code: 93117

Seller — prior-sale row 6, entry 1

Name: 10b5-1 Sales for Maurice Duca, Trustee IGSB Money Purchase Plan FBO Suzanne Duca
Street: 70 Castilian Drive
City: Santa Barbara
State / country code: CA
Postal code: 93117

Seller — prior-sale row 7, entry 1

Name: 10b5-1 Sales for MSSB C/FMAURICE J DUCAROTH IRA
Street: 70 Castilian Drive
City: Santa Barbara
State / country code: CA
Postal code: 93117

Seller — prior-sale row 8, entry 1

Name: 10b5-1 Sales for The Maurice J. Duca Family Trust Dated 03/25/1981
Street: 70 Castilian Drive
City: Santa Barbara
State / country code: CA
Postal code: 93117

Seller — prior-sale row 9, entry 1

Name: 10b5-1 Sales for Maurice Duca, Trustee IGSB Money Purchase Plan FBO Suzanne Duca
Street: 70 Castilian Drive
City: Santa Barbara
State / country code: CA
Postal code: 93117

Seller — prior-sale row 10, entry 1

Name: 10b5-1 Sales for MSSB C/FMAURICE J DUCAROTH IRA
Street: 70 Castilian Drive
City: Santa Barbara
State / country code: CA
Postal code: 93117

Seller — prior-sale row 11, entry 1

Name: 10b5-1 Sales for The Maurice J. Duca Family Trust Dated 03/25/1981
Street: 70 Castilian Drive
City: Santa Barbara
State / country code: CA
Postal code: 93117

Seller — prior-sale row 12, entry 1

Name: 10b5-1 Sales for Maurice Duca, Trustee IGSB Money Purchase Plan FBO Suzanne Duca
Street: 70 Castilian Drive
City: Santa Barbara
State / country code: CA
Postal code: 93117

Seller — prior-sale row 13, entry 1

Name: 10b5-1 Sales for MSSB C/FMAURICE J DUCAROTH IRA
Street: 70 Castilian Drive
City: Santa Barbara
State / country code: CA
Postal code: 93117

Seller — prior-sale row 14, entry 1

Name: 10b5-1 Sales for The Maurice J. Duca Family Trust Dated 03/25/1981
Street: 70 Castilian Drive
City: Santa Barbara
State / country code: CA
Postal code: 93117

Seller — prior-sale row 15, entry 1

Name: 10b5-1 Sales for Maurice Duca, Trustee IGSB Money Purchase Plan FBO Suzanne Duca
Street: 70 Castilian Drive
City: Santa Barbara
State / country code: CA
Postal code: 93117

Seller — prior-sale row 16, entry 1

Name: 10b5-1 Sales for MSSB C/FMAURICE J DUCAROTH IRA
Street: 70 Castilian Drive
City: Santa Barbara
State / country code: CA
Postal code: 93117

Seller — prior-sale row 17, entry 1

Name: 10b5-1 Sales for The Maurice J. Duca Family Trust Dated 03/25/1981
Street: 70 Castilian Drive
City: Santa Barbara
State / country code: CA
Postal code: 93117

Seller — prior-sale row 18, entry 1

Name: 10b5-1 Sales for Maurice Duca, Trustee IGSB Money Purchase Plan FBO Suzanne Duca
Street: 70 Castilian Drive
City: Santa Barbara
State / country code: CA
Postal code: 93117

Seller — prior-sale row 19, entry 1

Name: 10b5-1 Sales for MSSB C/FMAURICE J DUCAROTH IRA
Street: 70 Castilian Drive
City: Santa Barbara
State / country code: CA
Postal code: 93117

Seller — prior-sale row 20, entry 1

Name: 10b5-1 Sales for The Maurice J. Duca Family Trust Dated 03/25/1981
Street: 70 Castilian Drive
City: Santa Barbara
State / country code: CA
Postal code: 93117

Seller — prior-sale row 21, entry 1

Name: 10b5-1 Sales for Maurice Duca, Trustee IGSB Money Purchase Plan FBO Suzanne Duca
Street: 70 Castilian Drive
City: Santa Barbara
State / country code: CA
Postal code: 93117

Seller — prior-sale row 22, entry 1

Name: 10b5-1 Sales for MSSB C/FMAURICE J DUCAROTH IRA
Street: 70 Castilian Drive
City: Santa Barbara
State / country code: CA
Postal code: 93117

Seller — prior-sale row 23, entry 1

Name: 10b5-1 Sales for The Maurice J. Duca Family Trust Dated 03/25/1981
Street: 70 Castilian Drive
City: Santa Barbara
State / country code: CA
Postal code: 93117

Seller — prior-sale row 24, entry 1

Name: 10b5-1 Sales for Maurice Duca, Trustee IGSB Money Purchase Plan FBO Suzanne Duca
Street: 70 Castilian Drive
City: Santa Barbara
State / country code: CA
Postal code: 93117

Seller — prior-sale row 25, entry 1

Name: 10b5-1 Sales for MSSB C/FMAURICE J DUCAROTH IRA
Street: 70 Castilian Drive
City: Santa Barbara
State / country code: CA
Postal code: 93117

Seller — prior-sale row 26, entry 1

Name: 10b5-1 Sales for The Maurice J. Duca Family Trust Dated 03/25/1981
Street: 70 Castilian Drive
City: Santa Barbara
State / country code: CA
Postal code: 93117

Seller — prior-sale row 27, entry 1

Name: 10b5-1 Sales for Maurice Duca, Trustee IGSB Money Purchase Plan FBO Suzanne Duca
Street: 70 Castilian Drive
City: Santa Barbara
State / country code: CA
Postal code: 93117

Seller — prior-sale row 28, entry 1

Name: 10b5-1 Sales for MSSB C/FMAURICE J DUCAROTH IRA
Street: 70 Castilian Drive
City: Santa Barbara
State / country code: CA
Postal code: 93117

Seller — prior-sale row 29, entry 1

Name: 10b5-1 Sales for The Maurice J. Duca Family Trust Dated 03/25/1981
Street: 70 Castilian Drive
City: Santa Barbara
State / country code: CA
Postal code: 93117

Seller — prior-sale row 30, entry 1

Name: 10b5-1 Sales for Maurice Duca, Trustee IGSB Money Purchase Plan FBO Suzanne Duca
Street: 70 Castilian Drive
City: Santa Barbara
State / country code: CA
Postal code: 93117

Seller — prior-sale row 31, entry 1

Name: 10b5-1 Sales for MSSB C/FMAURICE J DUCAROTH IRA
Street: 70 Castilian Drive
City: Santa Barbara
State / country code: CA
Postal code: 93117

Seller — prior-sale row 32, entry 1

Name: 10b5-1 Sales for The Maurice J. Duca Family Trust Dated 03/25/1981
Street: 70 Castilian Drive
City: Santa Barbara
State / country code: CA
Postal code: 93117

Seller — prior-sale row 33, entry 1

Name: 10b5-1 Sales for Maurice Duca, Trustee IGSB Money Purchase Plan FBO Suzanne Duca
Street: 70 Castilian Drive
City: Santa Barbara
State / country code: CA
Postal code: 93117

Seller — prior-sale row 34, entry 1

Name: 10b5-1 Sales for MSSB C/FMAURICE J DUCAROTH IRA
Street: 70 Castilian Drive
City: Santa Barbara
State / country code: CA
Postal code: 93117

Seller — prior-sale row 35, entry 1

Name: 10b5-1 Sales for The Maurice J. Duca Family Trust Dated 03/25/1981
Street: 70 Castilian Drive
City: Santa Barbara
State / country code: CA
Postal code: 93117

Seller — prior-sale row 36, entry 1

Name: 10b5-1 Sales for Maurice Duca, Trustee IGSB Money Purchase Plan FBO Suzanne Duca
Street: 70 Castilian Drive
City: Santa Barbara
State / country code: CA
Postal code: 93117